I know most of the people on the forum are tassies where water is much easier to find. Here in WA water is not quite so readily available so will need to perhaps carry more on me. I have used the StS water bags 2 x 6 liter around camp when 4wd camping, just filling them from a jerry can, seemed to work well but a bit wary of having one in a backpack full of clothes, sleeping bag etc.
I have seen good reviews of the msr dromedary bags on the REI website. What does everyone here use to carry water in their packs? How much do they take and do they use multiple smaller bags eg 2 x 6L or single 10L etc